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396results about How to "Various control methods" patented technology

Intelligent traffic control system for controlling access connection traffic flow

The invention relates to an intelligent traffic control system for controlling traffic stream in intersection. The control system is composed of a traffic signal controller, a center computer, an Ethernet communication system, a traffic lamp in intersection, and related equipment. The traffic signal controller adopts a high-accuracy real-time clock chip for providing accurate clock signal and effectively improving the accuracy of time sequence of lamp color and simultaneously can display and set time and calendar information. The traffic signal controller has a vehicle inductive detection control interface for inputting real-time traffic stream information. The microprocessor of the signal controller system can an I / O port expanded by a programmable logic controller CPLD and is used for driving the traffic lamp after photoelectrical isolation and drive circuit so as to achieve reliable color output of traffic lamp. In the invention, the signal controller is directly connected with the Ethernet through the Ethernet controller, which can effectively improve the data transmission real-time performance and reliability. The monitor center analyzes and processes the traffic stream data according to the history traffic stream information as well as the real-time traffic stream information of each intersection, and generates an optimal control scheme by an intelligent optimization method, thereby achieving regional coordination control of urban traffic stream and maximally improving the traffic efficiency of the urban traffic stream.
Owner:SHENZHEN OPLINX ELECTRONICS TECH

System for intelligently monitoring and controlling crop pests and diseases

The invention relates to a system for intelligently monitoring and controlling crop pests and diseases. The system is characterized by comprising a monitoring computer and a pesticide spraying device which is arranged in a crop growing place, wherein the monitoring computer drives the pesticide spraying device which is connected with the monitoring computer; a time controller and a pesticide spraying selective driving module are arranged in the monitoring computer; and the time controller controls and starts a corresponding spray head of the pesticide spraying device through the pesticide spraying selective driving module. The system has the following advantages that: 1, intelligentization is realized, the degree of automation is high, the control modes are diversified, the control is performed in time, and the using effect is good; 2, the solar energy is used as a power supply of monitoring equipment, so that the energy-saving effect is good; 3, the monitoring equipment not only can automatically control the water supply or the pesticide spraying of cultivated crops, but also has a multi-aspect management and control ability of controlling pests and diseases of the crops in different areas of the same place; and 4, the health condition of the crops is monitored in real time by using a monitoring probe, so that the crop pests and diseases are pre-warned in time and are controlled appropriately. Therefore, the system is not only favorable for ensuring the growth of the crops and the production bumper harvest of agriculture, forestry and tea industry, but also can greatly reduce medicament waste and pesticide pollution.
Owner:FUJIAN HONGBAOSHAN BIOLOGICAL SCI & TECH

Falseness and trueness cooperated practical training method and device of metro passenger car door system

ActiveCN102800221AUnderstand the compositionLearn how it worksCosmonautic condition simulationsEducational modelsSimulationControl line
The invention belongs to urban railway system vocation education equipment which can realize multi-type failure simulation of a metro passenger car door system and bidirectional communication linkage based on analog simulation software. The analog simulation software can set a failure to an experiment table and also can collect the state of the experiment table to realize structural dismounting, a work principle and an overhauling flow in a three-dimensional manner. The method and the device disclosed by the invention can be used for realizing practical training, checking and scientific researches of the metro passenger car door system. The whole device comprises six parts including a passenger car door assembly experiment table, an integrated array type control and collecting module, an embedded type handheld failure simulation terminal, a handheld failure setting device, a connecting wire, a data conversion connector, a main control computer, and analog simulation and control software. The type of simulated failures comprises an EDCU (Electronic Door Control Unit) failure, short circuit, open circuit, earth connection, deadlock, an intermittent failure, device damages, signal interference and the like. The method and the device can be used for researching a car door clamping force, a bypath door control line and the like.
Owner:天津市维科车辆技术有限公司

Intelligent wheelchair man-machine interaction control system and method based on eye movement recognition

The invention discloses an intelligent wheelchair man-machine interaction control system and an intelligent wheelchair man-machine interaction control method based on eye movement recognition. According to the system and the method, an electromyographic signal acquisition module is used for collecting electromyographic signals of the eyes, characteristic selection is carried out on the electromyographic signals, eye movement recognition is carried out according to the electromyographic characteristic change difference during blink, thus the accurate judgment on the conscious blinking is realized, further, the accurate control over the direction of a wheelchair is realized by combining a plurality of conscious blinking modes, a fuzzy controller part takes a signal electromyographic integral value and signal slope as input and the running speed of the intelligent wheelchair as output, then a two-dimensional structure fuzzy controller with two inputs and single output is built, and thus the accurate control over the running speed of the wheelchair is realized. According to the system and the method, the scheme is diversified, the operation mode is simple, convenient and rapid, the learning is easy, the special requirements of old people and disabled people in the control mode are fully considered, the control problem of the intelligent wheelchair system caused by the fact that a traditional control mode is not flexible in operation and a user responds slowly is avoided, and the practical requirements of the old people and the disabled people are well adapted.
Owner:NANJING UNIV OF POSTS & TELECOMM

Equalization circuit for rapidly balancing battery pack of switch array and control method

The invention discloses an equalization circuit for rapidly balancing a battery pack of a switch array and a control method. The circuit comprises a single battery switch selection sub circuit, a resistance discharging combination sub circuit, a single voltage acquisition sub circuit and a switch control driving sub circuit, wherein the single battery switch selection sub circuit is used for conducting a single battery needed to be discharged, the resistance discharging combination sub circuit is used for configuring the size of a discharging current, the single voltage acquisition sub circuit is used for acquiring an actual voltage value of each section of single battery and calculating the single battery needed to be balanced, and the switch control driving sub circuit is used for controlling a corresponding switch and balancing the single battery. By the single battery switch selection sub circuit, balanced discharging of multiple sections of single batteries can be simultaneously achieved; and during discharging, the switch of the single battery switch selection sub circuit is selected and the switch of the closed resistance discharging combination sub circuit is matched to form a discharging loop, and the balance of the selected single battery is achieved.
Owner:HUIZHOU BNET TECH CO LTD

Control method of vertical annealing furnace based on band steel switching specifications

The invention discloses a control method of a vertical annealing furnace based on band steel switching specifications, belonging to the technical field of automatic control. The control method comprises the following steps: firstly judging whether the types, thickness and target temperature intervals of two kinds of band steel in front of and behind a weld joint are consistent to determine the types of replacing bands by periodically acquiring the specifications of the two kinds of band steel subjected to band replacement and the weld joint location information; then determining the band replacing target temperature according to the types of the replacing bands and computing the band steel velocity set values and radiant tube temperature set values at different stages during band replacing according to combined action of a velocity model and a heat transfer model; finally judging different stages during band replacing according to the weld joint location and giving the band steel velocity set values and radiant tube temperature set values at corresponding stages, thus achieving the aim of stable control. The perfect control method can be formed and is applicable to online band replacing control of the vertical annealing furnace.
Owner:CHONGQING CISDI THERMAL & ENVIRONMENTAL ENG CO LTD

Intelligent prosthetic hand based on voice control and vision recognition and system and method thereof

The invention discloses an intelligent prosthetic hand based on voice control and visual recognition, a system and a method thereof, belonging to the technical field of prosthetic hands. The intelligent prosthetic hand adopts a three-degree-of-freedom prosthetic hand body, and further comprises a depth camera module, a voice interaction module, an LED touch screen, a core processing module and a wireless charging module, wherein, the depth camera module is used for acquiring image data; the voice interaction module is used for voice interaction with the user; the LED touch screen is used for user to input operation instruction and display data; and the core processing module implements the overall task scheduling and data processing. The invention also discloses an intelligent prosthetic hand system and a gesture movement realizing method on the Internet of Things. The intelligent prosthetic hand based on voice control and visual recognition solves the technical problems that the existing mainstream prosthetic hand only relies on myoelectric control and traction control, so that control efficiency is low, and myoelectric signal interference is large, and operation and training arecomplex, and solves the technical problems that the voice control function is single and complex gesture operation cannot be completed, and intelligence is low.
Owner:HUAZHONG UNIV OF SCI & TECH

Crop pest intelligent monitoring management system

The invention relates to a crop pest intelligent monitoring management system which is characterized by comprising a monitoring computer and a pesticide spraying device arranged in a crop growing field, wherein the monitoring computer drives the pesticide spraying device connected therewith. A time controller and a pesticide spraying selection drive module are arranged in the monitoring computer; and the time controller controls to start a corresponding nozzle of the pesticide spraying device through the pesticide spraying selection drive module. The system provided by the invention has the beneficial effects of high degree of intellectualization and automation, diverse control modes, timely control and good using effect; since the solar energy is used as the power supply of the monitoring equipment, the energy saving effect is good; the monitoring equipment not only can perform automatic control on water supply or pesticide spraying for the crop, but also has omnibearing control capability on pest control for the crops in different areas of the same field; and moreover, the health condition of the crops is monitored by a monitoring probe in real time, and timely early warning and appropriate pesticide for the situation on the crop pest are realized, thereby being favorable for guaranteeing the crop growth and good harvest of agriculture, forestry and tea, and greatly reducing drug waste and pesticide pollution. The system has broad market application prospect.
Owner:蔡诗伟

High-concentration small-granule anion generator system

The invention provides a high-concentration small-granule anion generator system. The high-concentration small-granule anion generator system is structurally characterized in that a power source module provides a 110V AC or 220V AC power source for a negative high voltage driver module connected with the power source module, the negative high voltage driver module boosts the power source to a 3000V DC-9000V DC negative voltage and transmits the negative voltage to a discharging array module. The discharging array module comprises a plurality of discharging units connected to a PCB substrate, each discharging unit comprises a cylindrical structure formed by combining a plurality of discharge tubes and an electrode needle wrapped inside the cylindrical structure, and each discharge tube is a needle-shaped object composed of carbon fiber yarn which a nano-graphene coating adheres to. According to the high-concentration small-granule anion generator system, electrons in the nano-graphene are quite active, and therefore the nano-graphene can still release a large number of high-speed high-concentration electrons even under low negative high voltage; a controller module can conveniently control the number and speed of the electrons released by the discharging array.
Owner:广州市汇研微电子技术有限公司

ROS based control system and method for unmanned aerial vehicles

The invention relates to an ROS based control system for unmanned aerial vehicles, and belongs to the technical field of aircraft cooperative control. The system comprises a communication module, a first power supply module and the unmanned aerial vehicles, and each unmanned aerial vehicle comprises a group control system and a flight control system; the group control system is used for acquiringposition information of each unmanned aerial vehicle in the system, acquiring GPS coordinates of the corresponding unmanned aerial vehicle, issuing the GPS coordinates to other unmanned aerial vehicles in the system, receiving control data sent by a ground control station, and sending the control data to the flight control system for operation after data processing; the flight control system is used for receiving a control instruction of the group control system, collecting position information and speed information of the unmanned aerial vehicle and controlling the flight mode, height, speedand heading of the unmanned aerial vehicle; the group control system makes information interaction with each unmanned aerial vehicle through the communication module, and the unmanned aerial vehiclescommunicate with one other through the communication module; and the first power supply module is used for supplying power to the group control system and the flight control system. The task executionefficiency can be improved, and the stability of cooperative application of multiple unmanned aerial vehicles can be improved.
Owner:HECHI UNIV
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